CN115742325A - Hot-melt connection method for water supply and drainage PE pipe - Google Patents

Abstract

The invention relates to the technical field of PE pipe hot melting, in particular to a hot melting connection method for a water supply and drainage PE pipe, wherein a connection table is arranged above a base assembly, a hot melting assembly and a pretreatment assembly which are distributed in the front and back are rotatably connected in the connection table, an eliminating assembly is connected to the outer side of the pretreatment assembly, a limiting frame is arranged between the hot melting assembly and the pretreatment assembly, the bottom of the limiting frame is fixedly connected with the connection table, clamps are arranged on two sides of the connection table, and the PE pipe is arranged in the clamps; according to the invention, the hot melting ring is additionally arranged on one side of the hot melting device, the hot melting groove is formed on the other side of the hot melting device, during hot melting, the annular groove is formed at one end of the PE pipe in contact with the hot melting ring, the annular convex ring is formed at one end in contact with the hot melting groove, and during butt joint, the annular convex ring is inserted into the annular groove.

Description

Hot-melt connection method for water supply and drainage PE pipe

Technical Field

The invention relates to the technical field of PE (polyethylene) pipe hot melting, in particular to a hot melting connection method for a water supply and drainage PE pipe.

Background

The PE pipeline has the characteristics of easy construction, high speed, corrosion, no pollution, long service life and the like, and the connection of the PE pipeline mainly comprises two methods: the hot melt connection and the electric melt connection are mainly adopted for the main pipeline at present, the hot melt connection principle is that the matching surfaces of two PE pipelines are tightly attached to a heating tool to heat the flat end surfaces of the two PE pipelines until the two PE pipelines are molten, after the heating tool is removed, the two molten end surfaces are tightly attached together, and a connector is kept to be cooled under the action of pressure, so that the two PE pipelines are integrated.

Disclosure of Invention

The invention aims to provide a hot-melt connection method for a water supply and drainage PE pipe, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

as an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: a hot-melt connection method for a water supply and drainage PE pipe comprises the following steps:

the method comprises the following steps: rotating the pretreatment assembly through a connecting table, and clamping the pretreatment assembly with a limiting frame for fixing;

step two: setting the distance between the hoop and the pretreatment assembly to be 4.5cm-5cm, respectively placing the PE pipes to be subjected to hot melt connection inside the hoop, and aligning the PE pipes on two sides to ensure that one end of the PE pipe is in contact with the pretreatment assembly for reserving the PE pipe with the distance between 4.5cm-5 cm;

step three: then the base assembly is started to drive the PE pipe to be separated from the pretreatment assembly, then the base assembly is reversely rotated to drive the PE pipe to be close to the pretreatment assembly, and when the PE pipe is close to the pretreatment assembly, the pretreatment assembly is started;

step four: the removing assembly outside the pretreatment assembly rotates to remove and clean impurities from the connecting end of the PE pipe, and in the process of gradually removing and cleaning, the planer tool table inside the pretreatment assembly is used for removing the surface of the end of the PE pipe, so that the cleanness of the connecting end of the PE pipe is ensured;

step five: when the hot-melting end of the PE pipe extrudes the extrusion plate in the pretreatment assembly, the pressure sensor detects and stops cleaning work at the moment;

step six: the pretreatment assembly is rotated to be separated from the limiting frame, the PE pipe is moved towards two ends through the base assembly, the hot melting assembly is rotated and clamped with the limiting frame to realize limiting, and the PE pipe is driven to be close to each other through the starting of the base assembly;

step seven: when the PE pipes are close to each other, the PE pipes are gradually sleeved on the outer sides of the hot melting assemblies, and when the hot melting assemblies are heated to 230-250 ℃, the hot melting assemblies perform hot melting on the end faces of the PE pipes;

step eight: after heating for a period of time, the base assembly drives the PE pipe to move towards two sides, the PE pipe is separated from the limiting frame through the hot melting assembly, the PE pipe is placed for cooling after standing for a period of time, then the base assembly is started to enable the PE pipes to be close to each other, the end faces of the PE pipes are contacted, and the PE pipe is placed for a period of time until the hot melting end faces are cooled, so that hot melting connection can be completed;

as an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the utility model discloses a hot melt assembly, including base subassembly, hot melt assembly and preliminary treatment subassembly, the base subassembly top is installed and is connected the platform, and connect the inside hot melt assembly and the preliminary treatment subassembly that distribute around being connected with of platform, the preliminary treatment subassembly outside is connected with rejects the subassembly, and is equipped with between hot melt assembly and the preliminary treatment subassembly and carries out spacing to hot melt assembly and preliminary treatment subassembly, spacing bottom is fixed connection with being connected the platform, it is equipped with the clamp to connect the platform both sides, the inside PE pipe that is equipped with of clamp, the clamp bottom is connected with the base subassembly, the base subassembly outside is connected with the support frame to the support frame top is equipped with the PE pipe.

As an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the base assembly comprises a base frame, a double-output-shaft motor and a threaded shaft, the central of the base frame is fixedly connected with the double-output-shaft motor, the two main shafts of the double-output-shaft motor are fixedly connected with the threaded shaft, the other end of the threaded shaft is rotatably connected with the base frame, a threaded sleeve is spirally connected to the outer side of the threaded shaft, the outer side of the threaded sleeve is in sliding connection with the base frame, a movable block is fixedly connected to the top of the threaded sleeve, the top of the movable block is fixedly connected with a clamp, a support frame is fixedly connected to the side face of the movable block, and the top of the base frame is fixedly connected with a connecting table.

As an alternative of the hot-melt connection method for the water supply and drainage PE pipe, the method of the present invention is: the hot melt subassembly includes first rotation pole, hot melt ware and handle, first rotation pole bottom is to rotate with being connected the platform and is connected, first rotation pole top fixedly connected with hot melt ware, and the top fixedly connected with handle of hot melt ware, the rear side of first rotation pole is seted up and is equipped with the recess to through recess and spacing block, the equal fixedly connected with direction platform of hot melt ware both ends face, and one side the direction platform outside is equipped with the hot melt ring, the hot melt ring outside is fixed connection with the hot melt ware, the hot melt groove that the arc set up is seted up to hot melt ware one end.

As an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the guide table is in a round table shape, the guide table is in a large end and a small end, and the hot melting ring and the hot melting groove are arranged in a left-right alignment mode.

As an alternative of the hot-melt connection method for the water supply and drainage PE pipe, the method of the present invention is: the pretreatment assembly comprises a second rotating rod, wherein the surface of the second rotating rod is fixedly connected with a temperature measuring instrument, a display screen for displaying the temperature of a hot melting part of a PE pipe is arranged above the temperature measuring instrument, the display screen is fixedly connected with the second rotating rod, the bottom of the second rotating rod is rotatably connected with a connecting table, a groove is formed in the outer side of the second rotating rod, the second rotating rod is clamped with a limiting frame through the groove, a support ring is fixedly connected with the top of the second rotating rod, a driven gear is arranged inside the support ring, a fixed disk is fixedly connected with the outer side of the driven gear, a pressure sensor is fixedly connected with the inner side of the fixed disk, an extrusion plate is connected with the other end of the pressure sensor, planing tool tables are arranged on the upper side and the lower side of the fixed disk, one side of the planing tool tables is fixedly connected with the driven gear, and the other end of the planing tool tables is connected with an eliminating assembly.

As an alternative of the hot-melt connection method for the water supply and drainage PE pipe, the method of the present invention is: the utility model discloses a motor, including first dwang, second dwang outside fixedly connected with motor, the terminal fixedly connected with driving gear of motor spindle, the meshing has driven gear in the driving gear outside, driven gear outside sliding connection has the swivel becket, and the other end and the support ring of swivel becket are fixed connection.

As an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the rubber sleeve that is used for the fastening is installed to the clamp inboard.

As an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the removing component comprises a fixed table, a sliding plate and a spring, the outer side of the fixed table is fixedly connected with the pretreatment component, the sliding plate is connected inside the fixed table in a sliding mode, the spring is fixedly connected to one end of the sliding plate, the other end of the spring is fixedly connected with the fixed table, a sliding rod is fixedly connected to the other end of the sliding plate, and the removing plate is fixedly connected to the other end of the sliding rod.

As an alternative of the hot melt connection method for the water supply and drainage PE pipe, the method of the present invention, wherein: the inside of the removing plate is arranged in a cambered surface mode, and one end of the inner side of the removing plate is arranged in an inclined surface mode.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the hot melting ring is additionally arranged on one side of the hot melting device, the hot melting groove is formed on the other side of the hot melting device, the guide table plays a role in guiding during hot melting, the hot melting end of the PE pipe is ensured to be stably contacted with the hot melting ring, the end, contacted with the hot melting ring, of the PE pipe forms the annular groove, the end, contacted with the hot melting groove, of the PE pipe forms the annular convex ring, and when butt joint is carried out, the annular convex ring is inserted into the annular groove, the stability of connection is greatly increased in a manner of matching plug-in connection and hot melting connection, and even if local bending, collision and other conditions occur, the hot melting connection part has certain toughness, and the connection tightness is ensured;

before hot melting, the exposed distance of the PE pipe needs to be manually measured, meanwhile, the end head of the PE pipe needs to be manually wiped to ensure the hot melting quality, and after hot melting, whether the hot melting end can be butted or not is judged by manually touching the temperature of the hot melting end, so that the hot melting efficiency is delayed, the butting quality is influenced, meanwhile, manual touching is easy to scald, and certain danger exists;

the hoops and the supporting frames arranged on the two sides ensure that the PE pipes on the two sides are positioned on the same straight line, so that the hot-melting parts are accurately butted when being butted, and the problems of asymmetric turned edges, overlarge staggered edge amount and the like are not easy to occur;

the limiting frame is used for ensuring that the hot-melt assembly and the preprocessing assembly are located at specified positions when the hot-melt assembly and the preprocessing assembly are used, and subsequent PE pipe cleaning, hot melting and butt joint work are guaranteed.

Drawings

FIG. 1 is a schematic view of a hot melt assembly mounting structure according to the present invention;

FIG. 2 is a schematic view of a hot melt assembly according to the present invention;

FIG. 3 is a schematic view of a base assembly according to the present invention;

FIG. 4 is a schematic view of the pre-processing assembly mounting structure of the present invention;

FIG. 5 is a cross-sectional view of a pre-treatment assembly of the present invention;

FIG. 6 is a cross-sectional view of the rejection assembly of the present invention;

FIG. 7 is a cross-sectional view of a connection station of the present invention;

fig. 8 is a schematic view of the structure of the clamp of the present invention.

In the figure: 1. a base assembly; 101. a base frame; 102. a double output shaft motor; 103. a threaded shaft; 104. a threaded sleeve; 105. a moving block; 2. a connecting table; 3. a hot melt assembly; 301. a first rotating lever; 302. a hot melter; 303. a handle; 304. a guide table; 305. a hot melt ring; 306. a hot melting tank; 4. a pre-processing assembly; 401. a second rotating lever; 402. a motor; 403. a driving gear; 404. a driven gear; 405. a support ring; 406. a rotating ring; 407. a planning tool table; 408. a compression plate; 409. a pressure sensor; 410. fixing the disc; 5. clamping a hoop; 6. PE pipe; 7. a support frame; 8. a rejection component; 801. a fixed table; 802. a sliding plate; 803. a spring; 804. a slide bar; 805. a rejection plate; 9. a limiting frame; 10. and a temperature measuring instrument.

Detailed Description

Example 1:

referring to fig. 1-8, the present invention provides a technical solution:

a hot-melt connection method for a water supply and drainage PE pipe comprises the following steps:

the method comprises the following steps: the pretreatment component 4 is rotated through the connecting table 2, and the pretreatment component 4 is clamped with the limiting frame 9 for fixing;

step two: setting the distance between the hoop 5 and the pretreatment component 4 to be 4.5cm-5cm, respectively placing the PE pipes 6 to be subjected to hot melting connection inside the hoop 5, and enabling the PE pipes 6 on two sides to be aligned, so that one end of the PE pipe 6 is in contact with the pretreatment component 4 and the PE pipe 6 with the distance of 4.5cm-5cm is reserved;

step three: then the base component 1 is started to drive the PE pipe 6 to be separated from the pretreatment component 4, then the base component 1 is reversely rotated to drive the PE pipe 6 to be close to the pretreatment component 4, and when the PE pipe 6 is close to the pretreatment component 4, the pretreatment component 4 is started at the same time;

step four: the removing component 8 outside the pretreatment component 4 rotates to remove and clean impurities from the connecting end of the PE pipe 6, and in the process of gradually removing and cleaning, the planer tool table 407 inside the pretreatment component 4 is used for removing the surface of the end of the PE pipe 6 to ensure that the connecting end of the PE pipe 6 is clean;

step five: when the hot-melt end of the PE pipe 6 extrudes the extrusion plate 408 in the pretreatment assembly 4, the pressure sensor 409 detects and stops the cleaning work;

step six: the pretreatment component 4 is rotated to be separated from the limiting frame 9, the PE pipe 6 is moved to two ends through the base component 1, the hot melting component 3 is rotated and clamped with the limiting frame 9 to realize limiting, and the base component 1 is started to drive the PE pipe 6 to approach each other;

step seven: when the PE pipes 6 are close to each other, the PE pipes 6 are gradually sleeved on the outer side of the hot melting assembly 3, and when the hot melting assembly 3 is heated to 230-250 ℃, the hot melting assembly 3 carries out hot melting on the end faces of the PE pipes 6;

step eight: after heating for a period of time, the base assembly 1 drives the PE pipe 6 to move towards two sides, the PE pipe 6 is separated from the limiting frame 9 through the hot melting assembly 3, the PE pipe 6 is cooled after standing for a period of time, then the base assembly 1 is started to enable the PE pipe 6 to be close to each other, the end faces of the PE pipe 6 are contacted, and the PE pipe 6 is allowed to stand for a period of time until the hot melting end faces are cooled, so that hot melting connection can be completed;

connect platform 2 is installed to 1 top of above-mentioned base subassembly, and connect 2 inside rotations of platform and be hot melt subassembly 3 and the preliminary treatment subassembly 4 that distribute around being, above-mentioned preliminary treatment subassembly 4 outside is connected with rejects subassembly 8, and be equipped with between hot melt subassembly 3 and the preliminary treatment subassembly 4 and carry out spacing 9 to hot melt subassembly 3 and preliminary treatment subassembly 4, above-mentioned spacing 9 bottoms are fixed connection with being connected platform 2, above-mentioned 2 both sides of connection platform are equipped with clamp 5, above-mentioned 5 inside PE pipes 6 that are equipped with of clamp, above-mentioned 5 bottoms of clamp are connected with base subassembly 1, above-mentioned 1 outside of base subassembly is connected with support frame 7, and support frame 7 top is equipped with PE pipe 6.

Connect the power during use, this device can freely drive the clamp 5 of top through the base subassembly 1 that sets up and remove, and then make its PE pipe 6 remove, be provided with the scale in base subassembly 1's the outside simultaneously, the distance of marcing of clamp 5 is conveniently known through the scale, conveniently control the distance that PE pipe 6 reserved, the subassembly 4 of preprocessing that sets up simultaneously can carry out the preliminary treatment to PE pipe 6's hot melt position with rejecting subassembly 8, guarantee its subsequent hot melt connection quality, and hot melt subassembly 3 that sets up is used for carrying out the hot melt to PE pipe 6's hot melt tip, make it form an annular groove and an annular bulge loop, inside its annular bulge loop is embedded to insert the annular groove when the butt joint, guarantee PE pipe 6's connection quality this moment, even receive certain bending, its hot melt quality can still be guaranteed to it, be difficult for causing and reveal.

Example 2

In this embodiment, referring to fig. 1 and fig. 3, specifically, the base assembly 1 includes a base frame 101, a double-output-shaft motor 102 and a threaded shaft 103, the center of the base frame 101 is fixedly connected with the double-output-shaft motor 102, both main shafts of the double-output-shaft motor 102 are fixedly connected with the threaded shaft 103, the other end of the threaded shaft 103 is rotatably connected with the base frame 101, a threaded sleeve 104 is spirally connected to the outer side of the threaded shaft 103, the outer side of the threaded sleeve 104 is slidably connected with the base frame 101, a moving block 105 is fixedly connected to the top of the threaded sleeve 104, the top of the moving block 105 is fixedly connected with a clamp 5, a support frame 7 is fixedly connected to the side of the moving block 105, and the top of the base frame 101 is fixedly connected with the connecting platform 2.

When using, drive the threaded shaft 103 rotation of both sides through starting two play axle motors 102 to threaded shaft 103 drives outside thread bush 104 and removes, and thread bush 104's removal can make clamp 5 remove, and then removes PE pipe 6, and the precision of its displacement is guaranteed greatly to the mode that this kind of equipment control removed, guarantees its connection quality, and the support frame 7 of setting plays the purpose of supporting PE pipe 6.

Example 3

In this embodiment, an improvement is made to the embodiment 2, please refer to fig. 1 and fig. 2, specifically, the hot melting assembly 3 includes a first rotating rod 301, a hot melting device 302 and a handle 303, a bottom of the first rotating rod 301 is rotatably connected to the connecting platform 2, a top of the first rotating rod 301 is fixedly connected to the hot melting device 302, the top of the hot melting device 302 is fixedly connected to the handle 303, a groove is formed at a rear side of the first rotating rod 301 and is engaged with the limiting frame 9 through the groove, two end surfaces of the hot melting device 302 are fixedly connected to a guiding platform 304, a hot melting ring 305 is arranged at an outer side of the guiding platform 304 at one side, an outer side of the hot melting ring 305 is fixedly connected to the hot melting device 302, and an end of the hot melting device 302 is provided with a hot melting groove 306 disposed in an arc shape.

The guide table 304 is disposed in a circular truncated cone shape, the guide table 304 is disposed with a large end and a small end, and the hot-melt ring 305 and the hot-melt groove 306 are disposed in a left-right alignment.

When carrying out hot melt during operation, PE pipe 6 removes under the drive of clamp 5, and PE pipe 6 at first overlaps in the guide table 304 outside, guide table 304 plays the purpose of direction this moment, ensure the tip and the hot melt ring 305 contact of PE pipe 6, and make the tip of PE pipe 6 form an annular groove, and the PE pipe 6 of opposite side forms an annular bulge loop under the effect of hot melt groove 306, and because hot melt ring 305 is greater than hot melt groove 306, can ensure this moment that the annular bulge loop is inside stably inserting the annular groove at subsequent butt joint during operation, guarantee the stability of connection, and the convenient hot melt ware 302 that removes that sets up of handle 303.

Example 4

This embodiment is an improvement of the embodiment 3, please refer to fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, in particular, the pretreatment module 4 comprises a second rotating rod 401, a temperature measuring instrument 10 is fixedly connected to the surface of the second rotating rod 401, and a display screen for displaying the temperature of the hot melting part of the PE pipe 6 is arranged above the temperature measuring instrument 10, and the display screen is fixedly connected with the second rotating rod 401, when the pretreatment module 4 rotates and is separated from the limit frame 9, the temperature measuring instrument 10 is transversely arranged, the measuring end part of the temperature measuring instrument 10 points to the hot melting part of the PE pipe 6, the position of the hot melting part of the PE pipe 6 can be directly measured, and the temperature is directly displayed through the display screen, manual testing is not needed, the temperature during butt joint can be accurately controlled, the connection quality is ensured, the bottom of the second rotating rod 401 is rotatably connected with the connecting table 2, a groove is arranged on the outer side of the second rotating rod 401, and the second rotating rod 401 is clamped with the limiting frame 9 through a groove, the top of the second rotating rod 401 is fixedly connected with a supporting ring 405, a driven gear 404 is installed in the support ring 405, a fixed disk 410 is fixedly connected to the outer side of the driven gear 404, and a pressure sensor 409 is fixedly connected inside the fixed disk 410, the other end of the pressure sensor 409 is connected with a pressing plate 408, both the upper and lower sides of the fixed plate 410 are provided with a planing table 407, one side of the planing table 407 is fixedly connected with the driven gear 404, the other end of the planning tool table 407 is connected with a removing component 8, the inner side of the planning tool table 407 has a certain inclination angle, the inner side of the planning tool table 407 is ensured to be in contact with the PE pipe 6, and the oxide layer at the end part of the PE pipe 6 is removed to ensure subsequent connection work.

A motor 402 is fixedly connected to the outer side of the second rotating rod 401, a driving gear 403 is fixedly connected to the end of the main shaft of the motor 402, a driven gear 404 is engaged with the outer side of the driving gear 403, a rotating ring 406 is slidably connected to the outer side of the driven gear 404, the other end of the rotating ring 406 is fixedly connected to the support ring 405, and the rotating ring 406 is arranged to ensure the stable rotation of the driven gear 404.

The rubber sleeve for fastening is installed on the inner side of the hoop 5, and the rubber sleeve is used for fixing the PE pipe 6.

The removing component 8 comprises a fixed table 801, a sliding plate 802 and a spring 803, the outer side of the fixed table 801 is fixedly connected with the pretreatment component 4, the sliding plate 802 is connected inside the fixed table 801 in a sliding manner, one end of the sliding plate 802 is fixedly connected with the spring 803, the other end of the spring 803 is fixedly connected with the fixed table 801, the other end of the sliding plate 802 is fixedly connected with a sliding rod 804, and the other end of the sliding rod 804 is fixedly connected with a removing plate 805.

The inside of the removing plate 805 is arranged in a cambered surface manner, one end of the inner side of the removing plate 805 is arranged in an inclined surface manner, and the arrangement plays a transition role and is used for ensuring that the PE pipe 6 gradually moves to a position between the upper removing plate 805 and the lower removing plate 805.

Before hot melting of the PE pipe 6, firstly, the end face of the PE pipe 6 needs to be preprocessed, and a common processing mode is that the surface of the PE pipe 6 is wiped by a hand-held rag, the efficiency is low and the wiping is not clean, but the device passes through the arranged removing component 8, when the PE pipe 6 moves, the PE pipe 6 is in contact with the removing plate 805 in advance, and when the removing plate 805 is in contact with the PE pipe 6, the PE pipe 6 enables the removing plate 805 to move under the guidance of the inclined surface of the removing plate 805 and extrudes the spring 803 under the action of the sliding rod 804 and the sliding plate 802, and simultaneously the motor 402 is started to drive the driving gear, the driven gear 404, the planer tool table 407 and the fixed table 701 to rotate, at the moment, the removing plate can rotate to process the surface of the PE pipe 6, and simultaneously along with the gradual movement of the base component 1, the end part of the PE pipe 6 gradually contacts with the planer tool table 407, the planer tool table 407 rotates to remove the surface oxidation layer at the end part of the PE pipe 6, so as to ensure that the hot melting of the PE pipe 6 is cleanly melted, and the squeezing of the PE pipe 6 can be processed by a manual pressure sensor 408, and the squeezing sensor 409 can be controlled, and the distance of the PE pipe 409 can be greatly saved when the manual squeezing sensor 409 is controlled, and the manual squeezing sensor 409 is set.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but rather a few limitations to the preferred embodiments of the present invention, and that many modifications, adaptations, and variations are possible and can be made by one skilled in the art without departing from the principles of the present invention; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims (10)

1. A connecting method for hot melting of a water supply and drainage PE pipe comprises the following steps:

the method comprises the following steps: the pretreatment component (4) is rotated through the connecting table (2), and the pretreatment component (4) is clamped with the limiting frame (9) for fixing;

step two: the distance between the hoop (5) and the pretreatment component (4) is set to be 4.5cm-5cm, the PE pipes (6) which need to be subjected to hot melting connection are respectively placed in the hoop (5), and the PE pipes (6) on two sides are aligned, so that one end of the PE pipe (6) is in contact with the pretreatment component (4) and the PE pipe (6) with the distance of 4.5cm-5cm is reserved;

step three: then the base component (1) is started to drive the PE pipe (6) to be separated from the pretreatment component (4), then the base component (1) is reversed to drive the PE pipe (6) to be close to the pretreatment component (4), and when the PE pipe (6) is close to the pretreatment component (4), the pretreatment component (4) is started at the same time;

step four: the removing component (8) on the outer side of the pretreatment component (4) rotates to remove and clean impurities from the connecting end of the PE pipe (6), and in the process of gradually removing and cleaning, a planer tool table (407) inside the pretreatment component (4) is used for removing the surface of the end of the PE pipe (6) to ensure that the connecting end of the PE pipe (6) is clean;

step five: when the hot-melt end of the PE pipe (6) extrudes the extrusion plate (408) in the pretreatment assembly (4), the pressure sensor (409) detects and stops the cleaning work;

step six: the pretreatment component (4) is rotated to be separated from the limiting frame (9), the PE pipe (6) is moved to two ends through the base component (1), the hot melting component (3) is rotated and clamped with the limiting frame (9) to realize limiting, and the base component (1) is started to drive the PE pipe (6) to be close to each other;

step seven: when the PE pipes (6) are close to each other, the PE pipes (6) are gradually sleeved on the outer side of the hot melting assembly (3), and when the hot melting assembly (3) is heated to 230-250 ℃, the hot melting assembly (3) carries out hot melting on the end faces of the PE pipes (6);

step eight: after heating one end time, its base subassembly (1) drives PE pipe (6) and removes to both sides to through hot melt subassembly (3) and spacing (9) separation, it cools off to stew a period of time, then starts base subassembly (1) and makes its PE pipe (6) be close to each other, and PE pipe (6) terminal surface contacts, makes it stew a period of time until the hot melt terminal surface cooling can accomplish the hot melt and connect.

2. A hot-melt connecting device for a PE pipe for water supply and drainage according to claim 1, wherein: base subassembly (1) top is installed and is connected platform (2), and connects platform (2) inside rotation and be connected with around hot melt subassembly (3) and the preliminary treatment subassembly (4) that distribute, preliminary treatment subassembly (4) outside is connected with rejects subassembly (8), and is equipped with between hot melt subassembly (3) and the preliminary treatment subassembly (4) and carries out spacing (9) to hot melt subassembly (3) and preliminary treatment subassembly (4), spacing (9) bottom is fixed connection with being connected platform (2), it is equipped with clamp (5) to connect platform (2) both sides, clamp (5) inside is equipped with PE pipe (6), clamp (5) bottom is connected with base subassembly (1), base subassembly (1) outside is connected with support frame (7) to support frame (7) top is equipped with PE pipe (6).

3. A hot-melt connecting device for a PE pipe for water supply and drainage according to claim 1, wherein: the base component (1) comprises a base frame (101), a double-output-shaft motor (102) and a threaded shaft (103), the center of the base frame (101) is fixedly connected with the double-output-shaft motor (102), two main shafts of the double-output-shaft motor (102) are fixedly connected with the threaded shaft (103), the other end of the threaded shaft (103) is rotatably connected with the base frame (101), a threaded sleeve (104) is spirally connected to the outer side of the threaded shaft (103), the outer side of the threaded sleeve (104) is in sliding connection with the base frame (101), a movable block (105) is fixedly connected to the top of the threaded sleeve (104), the top of the movable block (105) is fixedly connected with a clamp (5), a support frame (7) is fixedly connected to the side of the movable block (105), and the top of the base frame (101) is fixedly connected with a connecting table (2).

4. The connecting device for the hot melting of the PE pipe for water supply and drainage as claimed in claim 1, wherein: hot melt subassembly (3) are including first rotation pole (301), hot melt ware (302) and handle (303), first rotation pole (301) bottom is to rotate with being connected platform (2) and is connected, first rotation pole (301) top fixedly connected with hot melt ware (302), and the top fixedly connected with handle (303) of hot melt ware (302), the rear side of first rotation pole (301) is seted up and is equipped with the recess to through recess and spacing (9) block, the equal fixedly connected with direction platform (304) of hot melt ware (302) both ends face, and one side direction platform (304) outside is equipped with hot melt ring (305), the hot melt ring (305) outside is fixed connection with hot melt ware (302), hot melt ware (302) one end is seted up hot melt groove (306) that the arc set up.

5. The connection device for the hot melting of the PE pipe for water supply and drainage as claimed in claim 4, wherein: the guide table (304) is a round table, the guide table (304) is a large end with a small end, and the hot melt ring (305) and the hot melt groove (306) are arranged in a left-right alignment manner.

6. A hot-melt connecting device for a PE pipe for water supply and drainage according to claim 1, wherein: pretreatment unit spare (4) are including second dwang (401), second dwang (401) fixed surface is connected with temperature measuring instrument (10), and is equipped with the display screen that is used for showing PE pipe (6) hot melt position temperature above temperature measuring instrument (10) to the display screen is fixed connection with second dwang (401), second dwang (401) bottom is to be rotated with being connected platform (2) and is connected, set up flutedly in second dwang (401) outside to second dwang (401) is through recess and spacing (9) block, second dwang (401) top fixedly connected with support ring (405), support ring (405) internally mounted has driven gear (404), the equal fixedly connected with fixed disk (410) in driven gear (404) outside, and fixed disk (410) inside fixedly connected with pressure sensor (409), the other end of pressure sensor (409) is connected with extrusion board (408), both sides all are equipped with planing platform (407) about fixed disk (410), planing platform (407) one side is fixed connection with driven gear (404), the other end subassembly (407) of planing platform spare (8) are rejected.

7. A hot-melt connecting device for a PE pipe for water supply and drainage as claimed in claim 6, wherein: second dwang (401) outside fixedly connected with motor (402), motor (402) main shaft end fixedly connected with driving gear (403), the meshing has driven gear (404) in driving gear (403) outside, driven gear (404) outside sliding connection has rotating ring (406), and the other end and support ring (405) of rotating ring (406) are fixed connection.

8. A hot-melt connecting device for a PE pipe for water supply and drainage according to claim 1, wherein: and a rubber sleeve for fastening is arranged on the inner side of the hoop (5).

9. The connecting device for the hot melting of the PE pipe for water supply and drainage as claimed in claim 1, wherein: the removing component (8) comprises a fixed table (801), a sliding plate (802) and springs (803), the outer side of the fixed table (801) is fixedly connected with the pretreatment component (4), the sliding plate (802) is connected inside the fixed table (801) in a sliding mode, the springs (803) are fixedly connected to one end of the sliding plate (802), the other end of each spring (803) is fixedly connected with the fixed table (801), the sliding rod (804) is fixedly connected to the other end of the sliding plate (802), and the removing plate (805) is fixedly connected to the other end of the sliding rod (804).

10. A hot-melt connecting device for a PE pipe for water supply and drainage according to claim 9, wherein: the inside of the removing plate (805) is arranged in a cambered surface mode, and one end of the inner side of the removing plate (805) is arranged in an inclined surface mode.

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